Home / 15,106,700.79-20,847,250.08-8,231,182.85

Finding the Fourth Proportional to 15,106,700.79, 20,847,250.08 and 8,231,182.85

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Solution

The fourth proportional to 15,106,700.79, 20,847,250.08 and 8,231,182.85 is: 11,359,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,700.79 : 20,847,250.08 = 8,231,182.85 : x
  2. Step 2: Convert to fraction form
    15,106,700.79/20,847,250.08 = 8,231,182.85/x
  3. Step 3: Cross multiply
    15,106,700.79x = 20,847,250.08 × 8,231,182.85
  4. Step 4: Simplify right side
    15,106,700.79x = 171,597,527,223,920.84
  5. Step 5: Solve for x
    x = 171,597,527,223,920.84/15,106,700.79
  6. Step 6: Final answer
    x = 11,359,033.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.